Orthanc/OrthancFramework/Resources/CMake/ProtobufConfiguration.cmake
2025-06-23 19:07:37 +05:30

87 lines
3.1 KiB
CMake

# Orthanc - A Lightweight, RESTful DICOM Store
# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
# Department, University Hospital of Liege, Belgium
# Copyright (C) 2017-2023 Osimis S.A., Belgium
# Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
# Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
if (STATIC_BUILD OR NOT USE_SYSTEM_PROTOBUF)
if (ENABLE_PROTOBUF_COMPILER)
include(ExternalProject)
externalproject_add(ProtobufCompiler
SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/ProtobufCompiler-build"
# this helps triggering build when changing the external project
BUILD_ALWAYS 1
CMAKE_ARGS
-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}
)
# The "protoc" compiler is built using "externalproject_add",
# which builds for the host platform, not for the target platform
if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(Suffix ".exe")
else()
set(Suffix "")
endif()
set(PROTOC_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/protoc${Suffix})
endif()
include(${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers/ProtobufLibrary.cmake)
source_group(ThirdParty\\Protobuf REGULAR_EXPRESSION ${PROTOBUF_SOURCE_DIR}/.*)
else()
if (CMAKE_CROSSCOMPILING)
message(FATAL_ERROR "If cross-compiling, the static version of Protocol Buffers should be used to avoid version mismatch")
endif()
if (ENABLE_PROTOBUF_COMPILER)
find_program(PROTOC_EXECUTABLE protoc)
if (${PROTOC_EXECUTABLE} MATCHES "PROTOC_EXECUTABLE-NOTFOUND")
message(FATAL_ERROR "Please install the 'protoc' compiler for Protocol Buffers (package 'protobuf-compiler' on Debian/Ubuntu)")
endif()
add_custom_target(ProtobufCompiler)
endif()
check_include_file_cxx(google/protobuf/any.h HAVE_PROTOBUF_H)
if (NOT HAVE_PROTOBUF_H)
message(FATAL_ERROR "Please install the libprotobuf-dev package")
endif()
set(CMAKE_REQUIRED_LIBRARIES "protobuf")
include(CheckCXXSourceCompiles)
check_cxx_source_compiles(
"
#include <google/protobuf/descriptor.h>
int main()
{
google::protobuf::FieldDescriptor::TypeName(google::protobuf::FieldDescriptor::TYPE_FLOAT);
}
" HAVE_PROTOBUF_LIB)
if (NOT HAVE_PROTOBUF_LIB)
message(FATAL_ERROR "Cannot find the protobuf library")
endif()
unset(CMAKE_REQUIRED_LIBRARIES)
link_libraries(protobuf)
endif()